Home / 90,938.64-125,499.23-50,652.42

Finding the Fourth Proportional to 90,938.64, 125,499.23 and 50,652.42

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Solution

The fourth proportional to 90,938.64, 125,499.23 and 50,652.42 is: 69,902.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,938.64 : 125,499.23 = 50,652.42 : x
  2. Step 2: Convert to fraction form
    90,938.64/125,499.23 = 50,652.42/x
  3. Step 3: Cross multiply
    90,938.64x = 125,499.23 × 50,652.42
  4. Step 4: Simplify right side
    90,938.64x = 6,356,839,454.37
  5. Step 5: Solve for x
    x = 6,356,839,454.37/90,938.64
  6. Step 6: Final answer
    x = 69,902.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.